2,4-Dibromo-6-methylaniline
2,4-Dibromo-6-methylaniline
CAS: 30273-41-7
Molecular Formula: C7H7Br2N
2,4-Dibromo-6-methylaniline - Names and Identifiers
2,4-Dibromo-6-methylaniline - Physico-chemical Properties
| Molecular Formula | C7H7Br2N |
| Molar Mass | 264.95 |
| Density | 1.8413 (rough estimate) |
| Melting Point | 44-49 °C |
| Boling Point | 281.2±35.0 °C(Predicted) |
| Flash Point | 123.9°C |
| Vapor Presure | 0.00361mmHg at 25°C |
| Appearance | grayish white to gray or light brown crystalline powder |
| pKa | 1.69±0.10(Predicted) |
| Storage Condition | 2-8°C(protect from light) |
| Refractive Index | 1.6300 (estimate) |
| Physical and Chemical Properties | Needle-like crystals. Melting point 50 °c. Soluble in ethanol. Can be volatile with steam. (Melting points of 39-41 °c have also been reported). |
2,4-Dibromo-6-methylaniline - Risk and Safety
| Hazard Symbols | Xn - Harmful |
| Risk Codes | R36/37/38 - Irritating to eyes, respiratory system and skin. R20/21/22 - Harmful by inhalation, in contact with skin and if swallowed. |
| Safety Description | S36/37/39 - Wear suitable protective clothing, gloves and eye/face protection. S26 - In case of contact with eyes, rinse immediately with plenty of water and seek medical advice. |
2,4-Dibromo-6-methylaniline - Reference Information
| use | as a pharmaceutical intermediate, used to produce a new expectorant bromhexylamine hydrochloride (bisouping). |
| production method | is obtained by bromination of o-toluidine. Chloroform and o-toluidine are added to the reaction pot, bromine is added dropwise at 20-25 ℃ for about 3-4h, and then heated and refluxed for 10h. Cooling, adjusting to the pH9-10 with ammonia water, standing in layers, collecting chloroform layer, recovering chloroform to obtain the finished product. |
Last Update：2024-04-09 15:16:49
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